include/linux/if_tunnel.h

   1 #ifndef _IF_TUNNEL_H_
   2 #define _IF_TUNNEL_H_
   3
   4 #include <linux/types.h>
   5 #include <linux/ip.h>
   6
   7 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
   8 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
   9 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
  10 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
  11 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
  12 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
  13 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
  14 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
  15
  16 #define GRE_CSUM        __constant_htons(0x8000)
  17 #define GRE_ROUTING     __constant_htons(0x4000)
  18 #define GRE_KEY         __constant_htons(0x2000)
  19 #define GRE_SEQ         __constant_htons(0x1000)
  20 #define GRE_STRICT      __constant_htons(0x0800)
  21 #define GRE_REC         __constant_htons(0x0700)
  22 #define GRE_FLAGS       __constant_htons(0x00F8)
  23 #define GRE_VERSION     __constant_htons(0x0007)
  24
  25 struct ip_tunnel_parm
  26 {
  27         char                    name[IFNAMSIZ];
  28         int                     link;
  29         __be16                  i_flags;
  30         __be16                  o_flags;
  31         __be32                  i_key;
  32         __be32                  o_key;
  33         struct iphdr            iph;
  34 };
  35
  36 /* SIT-mode i_flags */
  37 #define SIT_ISATAP      0x0001
  38
  39 struct ip_tunnel_prl {
  40         __be32                  addr;
  41         __u16                   flags;
  42         __u16                   __reserved;
  43         __u32                   datalen;
  44         __u32                   __reserved2;
  45         /* data follows */
  46 };
  47
  48 /* PRL flags */
  49 #define PRL_DEFAULT             0x0001
  50
  51 enum
  52 {
  53         IFLA_GRE_UNSPEC,
  54         IFLA_GRE_LINK,
  55         IFLA_GRE_IFLAGS,
  56         IFLA_GRE_OFLAGS,
  57         IFLA_GRE_IKEY,
  58         IFLA_GRE_OKEY,
  59         IFLA_GRE_LOCAL,
  60         IFLA_GRE_REMOTE,
  61         IFLA_GRE_TTL,
  62         IFLA_GRE_TOS,
  63         IFLA_GRE_PMTUDISC,
  64         __IFLA_GRE_MAX,
  65 };
  66
  67 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
  68
  69 #endif /* _IF_TUNNEL_H_ */